Bristol
New Hampshire, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Bristol, NH

January, like December, is a freezing cold winter month in Bristol, New Hampshire, with average temperature ranging between min 12.7°F (-10.7°C) and max 25.7°F (-3.5°C). With an average high-temperature of 25.7°F (-3.5°C) and an average low-temperature of 12.7°F (-10.7°C), January is the coldest month. Weather in January »

The last month of the winter, February, is also a subzero cold month in Bristol, New Hampshire, with average temperature fluctuating between 14°F (-10°C) and 28.6°F (-1.9°C). In February, the average high-temperature is practically the same as in January - a still subzero cold 28.6°F (-1.9°C). Weather in February »

The first month of the spring, March, is a wintry month in Bristol, New Hampshire, with average temperature ranging between max 37°F (2.8°C) and min 21.9°F (-5.6°C). In Bristol, the average high-temperature in March marginally rises, from a freezing cold 28.6°F (-1.9°C) in February, to a cold 37°F (2.8°C). Weather in March »

April is a cool spring month in Bristol, New Hampshire, with average temperature ranging between min 32.9°F (0.5°C) and max 50.5°F (10.3°C). In April, the average high-temperature increases, from a cold 37°F (2.8°C) in March, to a fresh 50.5°F (10.3°C). Weather in April »

May, the last month of the spring, in Bristol, is an enjoyable month, with average temperature varying between 64.8°F (18.2°C) and 43.5°F (6.4°C). In May, the average high-temperature increases, from a fresh 50.5°F (10.3°C) in April, to a comfortable 64.8°F (18.2°C). Weather in May »

June, the first month of the summer, in Bristol, is a pleasant month, with average temperature ranging between max 72°F (22.2°C) and min 50.7°F (10.4°C). In Bristol, New Hampshire, the average high-temperature slightly increases, from a comfortable 64.8°F (18.2°C) in May, to an agreeable 72°F (22.2°C). Weather in June »

July is a warm summer month in Bristol, New Hampshire, with average temperature ranging between min 57°F (13.9°C) and max 78.6°F (25.9°C). July is the warmest month, with an average high-temperature of 78.6°F (25.9°C) and an average low-temperature of 57°F (13.9°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in Bristol, New Hampshire, with average temperature varying between 55.2°F (12.9°C) and 76.6°F (24.8°C). In Bristol, New Hampshire, the average high-temperature is almost the same as in July - a still moderately hot 76.6°F (24.8°C). Weather in August »

The first month of the autumn, September, is also an agreeable month in Bristol, New Hampshire, with average temperature varying between 49.1°F (9.5°C) and 68.9°F (20.5°C). In Bristol, the average high-temperature in September slightly decreases, from a moderately hot 76.6°F (24.8°C) in August, to a pleasant 68.9°F (20.5°C). Weather in September »

October, like September, is another mild autumn month in Bristol, New Hampshire, with average temperature varying between 40.3°F (4.6°C) and 55.8°F (13.2°C). In October, the average high-temperature decreases, from an agreeable 68.9°F (20.5°C) in September, to a mild 55.8°F (13.2°C). Weather in October »

The last month of the autumn, November, is another cold month in Bristol, New Hampshire, with temperature in the range of an average high of 42.6°F (5.9°C) and an average low of 29.5°F (-1.4°C). In Bristol, the average high-temperature drops, from a moderate 55.8°F (13.2°C) in October, to a wintry 42.6°F (5.9°C). Weather in November »

December, the first month of the winter, in Bristol, is still a freezing cold month, with average temperature ranging between min 21°F (-6.1°C) and max 31.3°F (-0.4°C). In Bristol, the average high-temperature in December decreases, from a wintry 42.6°F (5.9°C) in November, to a subzero cold 31.3°F (-0.4°C). Weather in December »

What is the coldest month in Bristol?

January is the coldest month in Bristol, New Hampshire, with an average high-temperature of 25.7°F (-3.5°C) and an average low-temperature of 12.7°F (-10.7°C).

What is the most humid month in Bristol?

Months with the highest humidity in Bristol, New Hampshire, are January and February, with an average relative humidity of 86%.

How many days does it rain in Bristol?

In Bristol, New Hampshire, during the entire year, the rain falls for 157.6 days and collects up to 27.72" (704mm) of precipitation.

When does it snow in Bristol?

Months with snowfall in Bristol are January through May, October through December.

How much does it snow in Bristol?

In Bristol, during the entire year, snow falls for 64.6 days, and aggregates up to 35.98" (914mm) of snow.

When is the lowest UV index in Bristol?

Months with the lowest UV index in Bristol, New Hampshire, are January through March, October through December, with an average maximum UV index of 2.

When does it snow the most in Bristol?

The month with the most snowfall in Bristol is February when snow falls for 13.8 days and typically aggregates up to 9.41" (239mm) of snow.

What is the month with the least sunshine in Bristol?

With an average of 4h of sunshine, February has the least sunshine of the year in Bristol.

What is the least humid month in Bristol?

With an average relative humidity of 75%, April is the least humid month in Bristol, New Hampshire.

What is the month with the highest UV index in Bristol?

Months with the highest UV index in Bristol, New Hampshire, are May through August, with an average maximum UV index of 5.

When it does not snow in Bristol?

In Bristol, New Hampshire, snow does not fall in June through September.

When are the longest days in Bristol?

With an average of 15.4h of daylight, June has the longest days of the year in Bristol, New Hampshire.

What is the warmest month in Bristol?

With an average high-temperature of 78.6°F (25.9°C) and an average low-temperature of 57°F (13.9°C), July is the warmest month in Bristol, New Hampshire.

What month has the most sunshine in Bristol?

With an average of 10h of sunshine, August has the most sunshine of the year.

What is the driest month in Bristol?

September is the month with the least rainfall in Bristol, New Hampshire. Rain falls for 11.5 days and accumulates 1.85" (47mm) of precipitation.

What is the rainiest month in Bristol?

October is the month with the most rainfall. Rain falls for 14.3 days and accumulates 3.15" (80mm) of precipitation.

What is the month with the shortest days in Bristol?

With an average of 9h of daylight, December has the shortest days of the year in Bristol.
Average temperature - Bristol, NH
Average humidity - Bristol, NH
Average rainfall - Bristol, NH
Average rainfall days - Bristol, NH

The month with the highest number of rainy days is April (15.7 days).
The month with the least rainy days is January (10.1 days).

Average snowfall - Bristol, NH
Average snowfall days - Bristol, NH

The month with the highest number of snowfall days is January (14.5 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Bristol, NH
Average UV index - Bristol, NH

Months with the highest UV index are May, June, July and August (UV index 5).
Months with the lowest UV index are January, February, March, October, November and December (UV index 2).